HMS Fly (1813) was a Royal Navy Cruizer-class brig-sloop built by Jabez Bailey at Ipswich. She was ordered 23 April 1812, launched on 16 February 1813 and commissioned May 1813.^[1]

She served:^[1]

• on the Channel station under Sir William G. Parker from May 1813,^[2]
• on the Newfoundland Station from June 1814 until paid off in April 1815,
• on the Cork station, after recommissioning in 1818, until December 1821,
• on Cape of Good Hope Station from December 1821,
• in South America from 1823,
• in East Indies from 1825.

In December 1826 Fly, under Captain Frederick Augustus Wetherall,^[3] supported the short-lived settlement of Western Port, in southern Victoria, Australia.^[4]

She was sold in Bombay on 10 April 1828.^[1]

• Sir William Martin, 4th Baronet, commander on South American station in 1823^[5]

• Historical Records of Australia. Series III. Despatches and Papers Relating to the Settlement of the States Volume V. Tasmania, December, 1825-March, 1827. Northern Territory, 1823–1827. Western Port, Victoria, 1826–1827, Library Committee of the Commonwealth Parliament, Commonwealth of Australia, 1922, hdl:1959.9/512894
• Laughton, John Knox (1901). "Martin, William Fanshawe" . In Lee, Sidney (ed.). Dictionary of National Biography (1st supplement). Vol. 3. London: Smith, Elder & Co. pp. 143–145.
• O'Byrne, William R. (1849). "Parker, William George" . A Naval Biographical Dictionary. London: John Murray.
• O'Byrne, William R. (1849b). "Wetherall, Frederick Augustus" . A Naval Biographical Dictionary. London: John Murray.
• Winfield, Rif (2008). British Warships in the Age of Sail 1793–1817: Design, Construction, Careers and Fates. Seaforth. ISBN 1-86176-246-1.